Emfast

The only place to go for all your fastener requirements

With over 30,000 items in stock available for

immediate dispatch all with free delivery

Socket Head Cap Screws in UNC (Unified National Course) Thread

Available in diameter of 4/40, 6/32, 8/32, 10/24, 3/16, ¼, 5/16 or 3/8 Inch Stainless Steel Grade A2 304

We have them in various Lengths and Pack Size

also available with nuts and washers

Please choose using the drop-down menus

Further technical information below

4/40

Thread Diameter – 4/40

Threads Per Inch – 40

Allen Key Size – 3/32 Inch

6/32

Thread Diameter – 6/32

Threads Per Inch – 32

Allen Key Size – 7/64 Inch

8/32

Thread Diameter – 8/32

Threads Per Inch – 32

Allen Key Size – 9/64 Inch

                                                        10/24

                                                        Thread Diameter – 10/24

                                                       Threads Per Inch – 24

                                                        Allen Key Size – 5/32 Inch

                                                          3/16

                                                Thread Diameter – 3/16 Inch

                                               Threads Per Inch – 24

                                               Allen Key Size – 5/32 Inch

                                                  ¼

                                           Thread Diameter – ¼ Inch

                                          Threads Per Inch – 20

                                           Allen Key Size –3/16 Inch

                                            5/16

                                             Thread Diameter – 5/16 Inch

                                          Threads Per Inch – 18

                                            Allen Key Size –1/4 Inch

                                          3/8

                                       Thread Diameter – 3/8 Inch

                                    Threads Per Inch – 16

                                     Allen Key Size – 5/16 Inch

About us

Emfast Limited is a family-owned company and was founded in 1990 with over 50 years' experience in the engineering sector.

All Fasteners we sell are from globally recognized manufacturers and meet all international quality standards in terms of strengths, dimensional and materials.

  We ship world-wide, and supply to end-users and companies large and small. Emfast supplies a wide range of fasteners and fittings to the automotive, aerospace, defence, engineering and motorsport sectors.

All of our listings include VAT at the current rate and a VAT invoice can be supplied upon request.

Shipping

All order come with free standard shipping with upgraded shipping available at a small charge. We use Royal Mail, Yodel, Evri and APC.

We aim to dispatch all orders same day Monday to Friday when ordered by 3pm for Royal Mail and 4pm for courier services. 

We hope your items are delivered by the estimated arrival date supplied by the shipping company however this cannot be guaranteed. 

Contact Information

Please feel free to drop us a message We aim to respond to you same day during our opening hours of Monday to Friday, 8.15am until 5pm

 (except for public bank holidays and our shutdown period in between Christmas and New Year)

Returns

 Items must be returned unopened and unused and return postage to us is at buyers cost and risk. 

If you wish to return an item please start a return on eBay

A small handling charges will be incurred for items returned that are not due to fault of the seller. e.g: ordered by mistake, wrong size ordered etc